qt switch case
2016年7月13日 — If I ever find myself in a similar situation, I use a map to define a specific int from the given string. For Example: // The string you want to convert ... ,2018年1月25日 — 如何使用 switch 语句的 QString ? 编译器给出了以下错误: switch expression of type 'QString' is illegal. 代码如下: bool isStopWord( QString ... ,2016年12月7日 — The only way to use switch() with strings is to use an integer-valued hash of a string. You'll need to precompute hashes of the strings you're ... ,The next control structure after if-then-else is the switch-case statement. It is used where you need more than just a two way split in your logical flow. ,Can't we use QString for comparision in switch statement like below, QString str = "TEMP"; switch (str) I tried to use like this but it didnot work. ,2018年3月16日 — 字符串转换为数字使用的是toInt(), toLongLong(), toDouble()…等等。 例如:QString str = "12";int i = str.toInt();switch(i) case 2: ui->ye3-> ... ,2012年7月1日 — Qt already has a hashing function for QStrings, but unfortunately Qt4's qHash is not qualified as a constexpr. Luckily Qt is open source, so we can ... ,在网上查了查貌似有两种形式:查表或者State模式。 如果应用表驱动的话,Qt的signal是否能有函数指针呢,怎么建立保存数据的结构呢? 如果用state模式,我 ... ,2011年3月27日 — I want to use switch-case in my program but the compiler generates ... 如前所述,這不是Qt問題,switch語句只能使用常量表達式,查看集合類是 ... ,我需要爲Qt中的C++字符串創建switch/case語句的等價物。我相信最簡單的方法就是這樣(僞代碼) enum colours red, green, blue }; QString array[] ...
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(C++ QT) Use a switch statement with strings by turning the ...
2016年7月13日 — If I ever find myself in a similar situation, I use a map to define a specific int from the given string. For Example: // The string you want to convert ... https://stackoverflow.com C++中如何设置具有QString类型的Switchcase语句? - 问答- 云 ...
2018年1月25日 — 如何使用 switch 语句的 QString ? 编译器给出了以下错误: switch expression of type 'QString' is illegal. 代码如下: bool isStopWord( QString ... https://cloud.tencent.com How to write a switch statement for strings in Qt? - Stack ...
2016年12月7日 — The only way to use switch() with strings is to use an integer-valued hash of a string. You'll need to precompute hashes of the strings you're ... https://stackoverflow.com Learn C++ With Qt, Part 012: Control Structures - switch case
The next control structure after if-then-else is the switch-case statement. It is used where you need more than just a two way split in your logical flow. https://www.alternative-comput QString in switch statement | Qt Forum
Can't we use QString for comparision in switch statement like below, QString str = "TEMP"; switch (str) I tried to use like this but it didnot work. https://forum.qt.io QT中将QString转化为int型进行switch选择_zbrwhut的博客 ...
2018年3月16日 — 字符串转换为数字使用的是toInt(), toLongLong(), toDouble()…等等。 例如:QString str = "12";int i = str.toInt();switch(i) case 2: ui->ye3-&gt ... https://blog.csdn.net switchcase statement in C++ with a QString type - Stack ...
2012年7月1日 — Qt already has a hashing function for QStrings, but unfortunately Qt4's qHash is not qualified as a constexpr. Luckily Qt is open source, so we can ... https://stackoverflow.com 关于Qt下switch...case 语句改写的问题,求大神们支招 ...
在网上查了查貌似有两种形式:查表或者State模式。 如果应用表驱动的话,Qt的signal是否能有函数指针呢,怎么建立保存数据的结构呢? 如果用state模式,我 ... https://bbs.csdn.net 在c++中使用QString類型轉換case語句。 - switchcase ...
2011年3月27日 — I want to use switch-case in my program but the compiler generates ... 如前所述,這不是Qt問題,switch語句只能使用常量表達式,查看集合類是 ... https://www.itdaan.com 如何在Qt中編寫字符串的switch語句? - 優文庫 - uwenku
我需要爲Qt中的C++字符串創建switch/case語句的等價物。我相信最簡單的方法就是這樣(僞代碼) enum colours red, green, blue }; QString array[] ... http://hk.uwenku.com |